| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery site | Vienna |
| Discovery date | 27 March 1922 |
| Designations | |
| MPC designation | (975) Perseverantia |
| Pronunciation | /pərsɛvəˈrænʃiə/ |
| Alternative designations | 1922 LT |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 94.00 yr (34333 days) |
| Aphelion | 2.9205 AU (436.90 Gm) |
| Perihelion | 2.7459 AU (410.78 Gm) |
| Semi-major axis | 2.8332 AU (423.84 Gm) |
| Eccentricity | 0.030814 |
| Orbital period (sidereal) | 4.77 yr (1741.8 d) |
| Mean anomaly | 5.31402° |
| Mean motion | 0° 12 24.048 / day |
| Inclination | 2.5597° |
| Longitude of ascending node | 38.717° |
| Argument of perihelion | 56.640° |
| Physical characteristics | |
| Mean radius | 13.245±0.85 km |
| Synodic rotation period | 7.267 h (0.3028 d) |
| Geometric albedo | 0.1726±0.024 |
| Absolute magnitude (H) | 10.41 |
975 Perseverantia /pərsɛvəˈrænʃiə/ is a minor planet orbiting the Sun that was discovered by Austrian astronomer Johann Palisa on 27 March 1922.
This is a member of the dynamic Koronis family of asteroids that most likely formed as the result of a collisional breakup of a parent body. The semi-major axis of the orbit of 975 Perseverantia lies just outside the 5/2 Kirkwood gap, located at 2.824 AU.
References
- Yeomans, Donald K., "975 Perseverantia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 2 May 2016.
- Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus, vol. 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.
- Scholl, Hans; Froeschlé, Claude (September 1975), "Asteroidal motion at the 5/2, 7/3 and 2/1 resonances", Astronomy and Astrophysics, 42 (3): 457–463, Bibcode:1975A&A....42..457S
External links
- 975 Perseverantia at AstDyS-2, Asteroids—Dynamic Site
- 975 Perseverantia at the JPL Small-Body Database
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